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128 Memory PagingI'm having a problem getting my brain around paging. Well, actually the bit I don't understand is how reading I/O ports works! I hope the collective …
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Port 32765 controls the memory paging. Bits 0-2 determine ... -
ZX80/81 memory expansion and 48k + Lightpen for saleAll are in original packaging and the lightpen has it's software and manual. The memory expansion is a 16k one. E-mail me at [email="patrick@wych01…
All are in original packaging and the lightpen has it's software and manual.
The memory expansion is a 16k one.
E-mail me at [email="patrick@wych01.freeserve.co.uk"]patrick@wych01.freeserve.co.uk[/email] if intrested.. -
Sinclair Spectrum Emulator For Windows XP ProI recently got a PC and I think an AMD 2400+ is capable to run a Sinclair Emulator, or maybe i should upgrade the memory by 1k. I need an emu that w…
I recently got a PC and I think an AMD 2400+ is capable to run a Sinclair Emulator, or maybe i should upgrade the memory by 1k. I need an emu that will run in Winodws XP nicely but it needs to be like "SpecEmu" cos its a piece of p*** -
[NEW]: Spectaculator 6.0Spectaculator is a Sinclair ZX Spectrum emulator for PCs running Windows 95, 98, ME, NT 4, 2000 and XP. Spectaculator emulates the 16K/48K/128K/+2/+…
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(little-endian) in main memory.
- Displays can be ... and data from either main memory or a
specific RAM ... if you choose not to upgrade.
If you ... -
Boxed Multiface One and Spectrum+ Upgrade KitBoxed Multiface One: Still in original box with full instructions (just the way you would have bought it). I won?t go into what this little gizmo is…
... residents only.
Spectrum Upgrade Kit:
Also ... selling a Spectrum+ upgrade kit from Sinclair. This was ... kit that was issued to upgrade the rubber keyed Spectrum ... the bits and bobs to upgrade the Spectrum, the condition ... -
memory is filled up under Win XP when opening many filesDear friends, I have the big and strange problem that ZX-Rainbow's game scanner is not working properly under Windows XP. I figured out (during a ti…
... in the virtual memory), so that the memory is filled up with ... the file stream, freeing the memory.
I wrote another testing ... the complete file content in memory.
The problem does ... -
Memory Available for 16k and 48kAm I right in thinking that if I am writing a 16k Game, I have 8k available for the machine code prog 6000h to 8000h, and for a 48k game I have 40K a…
... /> If so, what are the memory areas available for 16k and ... -
Strange layout of Spectrum video memoryHello, does anyone have an idea why the Spectrum's video memory has such a strange layout? I understand that a resolution of 256x192 is an easy mean…
... why the Spectrum's video memory has such a strange layout ... it easier to address video memory. I also understand that the ... ) are a compromise to limited memory. But where does the line ... -
what extra port for extra memory ? (256K, 512K, 1024K, etc.)I know that Pentagon uses some extra bits from port 7FFD for extra memory pging: - for 512K model, bit 6 & 7 of port 7FFD - for 1024K model, bit 5, 6…
... from port 7FFD for extra memory pging:
- for ... those bits for extra memory switching and if it ... / port DFFD for extra memory paging.
What is ... keep track of a memory bank number, by combining ... established port for extra memory, other than the Pentagon ... -
SPIN - debugger / fill memory / how ?I try to fill the screen with 00 value, but I don't get the expected result. - pause the game - debugger - hex numbers - fill memory block - fill wi…
...
- hex numbers
- fill memory block
- fill with 00 ...
- main memory
- start address - 4000
- ok
then
- view memory
- all screen data is ... -
External tape deck for the plus 2aCan anyone tell me if you can use an external tape deck on the plus 2a using the 'tape/sound' socket? Ta :)
Can anyone tell me if you can use an external tape deck on the plus 2a using the 'tape/sound' socket?
Ta :) -
Data at the top of memoryWhilst viewing memory locations on the "Spin" emulator I noticed data starting at 65336. Does a "real" ZX Spectrum 48k use the top end of available m…
Whilst viewing memory locations on the "Spin" emulator I noticed data starting at 65336. Does a "real" ZX Spectrum 48k use the top end of available memory ? If so, what is the last memory location that is safe to use ? -
Emulator Dev: Memory Use When Loading RZXsHi, I am currently working on a port of an emulator to a system with limited memory (64mb). I am running out of memory when loading large snapshots …
... to a system with limited memory (64mb). I am running out ... of memory when loading large snapshots (ie ... let me know how much memory is needed to decompress a ... -
How can I upgrade Internet Explorer 5 to 5.01 or higher?I'm trying to install Adobe Acrobat 6 onto my P3 laptop with Win98SE, but Acrobat says it needs at least Intenet Explorer 5.01 to install, and the la…
... /> Where can I download the upgrade for IE5 to IE5.01 ... I can't find the upgrade program to download, on MS ... just want to download an upgrade program/file, which I can ... -
What is an MS Drive?I bought a memory card on eBay yesterday, an SD Memory card, as I have an SD drive on my laptop, and figured I might as well. My laptop also has a …
... on eBay yesterday, an SD Memory card, as I have an ... , is the slot for flash memory, and I can buy a ... is it for pluggin an external device in??:|
thanks -
Buying a +3I've been told you can download Spectrum games in .TZX format and transfer them to a specci through the headphone jack. Can you only then save the ga…
... of finding out how much memory a games takes up so ... , can I just get an external disk drive for my specci ... -
How do you get an external tape recorder to work on a +2a?Just for the hell of it, just say the internal cassette player stopped working. What command would you use when hooking up an external player, so the…
... use when hooking up an external player, so the specci would ... -
Interface 1 Memory Map(I'm not sure which section this post should go in, but here seems as good as any) Since the Interface 1 ROM is only 8k long, does anyone know what …
... appears in the 8-16k memory range when IF1 is paged ... -
Wanted: Gamecube memory cardI'm looking to buy a gamecube memory card. I don't need a large capacity memory card but a card that can save information for upto 3 games will do. I…
... looking to buy a gamecube memory card. I don't need ... a large capacity memory card but a card that ... they own or a used memory card (in working condition of ... -
Plus D Interfaces AvailableJust to let everyone know that we have a stock of Plus D Floppy Disk Interfaces (manufactured in 2006) and are selling these for ?48 plus p&p from ou…
... hand 3.5" 720K DSDD external disk drives to go with ... by Miles Kinloch as an upgrade option - more details will be ... -
Emulator with ability to watch memory?Hi! I'm looking for an emulator that can give me a realtime update of an address in memory. I've tried Fuse (on OS X) where I can set a breakpoint i…
... update of an address in memory. I've tried Fuse (on ... -
Where do you keep your tape images? CD, DVD, USB drive or Memory Sticks?I have my most beloved games (well over 300 titles) on my SD memory card. What's your type of archive medium?
I have my most beloved games (well over 300 titles) on my SD memory card. What's your type of archive medium? -
Memory Map/ContentionHi I'm new to speccy coding (well I did some z80 coding a few years back - like 20yrs ago :) ), and I'd like to get back into writing some scrolling…
... this a correct map for memory contention?
Address Size ...
5B00-7fff 08k Contended Memory
8000-FFFF 32k Fast ... Memory (well normal memory really :) )
Cheers ... -
Spectrum Screen Memory MapWhat's the advantage (mistery?) behind ULA's spectrum screen memory interpretation? 6144 bytes divided into 3 blocks, 2048 bytes long. if you want t…
... ?) behind ULA's spectrum screen memory interpretation?
6144 bytes ... behind this implementation? Why screen memory isn't interpreted continuously?
128K memory testingDuring a mad half hour I decided to write a little memory tester program in BASIC using the information from the 48K service manual. Now I was wonder…
... decided to write a little memory tester program in BASIC using ...Deus ExSince we sometimes mention classic non-Spectrum games (and even the rubbish on the Commodore 64 ;) ) on this forum, how come we've never discussed De…
... of weapon, and you can upgrade your weapons' skills throughout the ... fit in the PS2's memory. I wish it had been ...Any interest in new low-cost mass-storage interface with 512K RAM?I've recently added support to ResiDOS and the +3e ROMs for SD/MMC card interfaces; in particular, ZXMMC (which has no onboard RAM and so is only sup…
... /> This would be a small external interface which would work with ... partitions provided for fast virtual memory
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[U ...Total amount of memory on a Speccy ?I wonder............ The C64 (excuse me for saying that name in here. I'll hereby name it just "it") has 64k, while only 38k, or so, is available f…
... makes me wonder: How much memory does a Speccy have, included ... the memory used by the machine itself ...
